Zobrazeno 1 - 10
of 150
pro vyhledávání: '"T. Vitanov"'
Autor:
Dimitar Stoychev, K. Petrov, T. Vitanov, P. Iliev, V. Nikolova, Ekaterina Zhecheva, Radostina Stoyanova, Ilia Valov
Publikováno v:
Journal of Power Sources. 185:727-733
Oxygen reduction and evolution have been studied with respect to the development of bifunctional air/oxygen electrode (BFE). Three groups of catalysts have been prepared: (i) Cu x Co 3− x O 4 by thermal decomposition of mixed nitrate and carbonate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dd26ddfbf933719fe15ff4957387188
https://doi.org/10.1016/j.jpowsour.2008.08.031
https://doi.org/10.1016/j.jpowsour.2008.08.031
Publikováno v:
Electrochimica Acta. 52:3794-3803
Co–Te–O catalytic films, obtain by vacuum co-evaporation of Co and TeO 2 are investigated as electrocatalysts for oxygen reactions in alkaline media. Bifunctional gas-diffusion oxygen electrodes (gde) are prepared by direct deposition of catalyst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3bc766f922848bc1a6eb5b8adf09af4
https://doi.org/10.1016/j.electacta.2006.10.054
https://doi.org/10.1016/j.electacta.2006.10.054
Autor:
V.D. Nikolova, I. Dragieva, E. Lefterova, E. Budevski, Evelina Slavcheva, Tamara Petkova, T. Vitanov
Publikováno v:
Electrochimica Acta. 50:5444-5448
The method of borohydride reduction (BH) has been applied to synthesize Pt and PtCo nanoparticles supported on Magneli phase titanium oxides, using Pt and Co ethylenediamine complexes as metal precursors. The phase composition of the synthesized cata
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e2d8c0eb642ef2e0e44d3e6ec7418a4
https://doi.org/10.1016/j.electacta.2005.03.026
https://doi.org/10.1016/j.electacta.2005.03.026
Publikováno v:
Vacuum. 76:147-150
The structure and the composition of thin films obtained by vacuum co-evaporation of Co and TeO 2 are studied by scanning and transmission electron microscopy, X-ray photoelectron spectroscopy and energy dispersive spectroscopy. Carbon coated mica is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9968e6879ba7b9b32661b7e40e009822
https://doi.org/10.1016/j.vacuum.2004.07.072
https://doi.org/10.1016/j.vacuum.2004.07.072
Publikováno v:
Electrochimica Acta. 47:1555-1560
Mixed cobalt and nickel oxides, obtained by vacuum coevaporation of Co, Ni and TeO2 are investigated as electrocatalysts for oxygen reduction and evolution reaction. Gas-diffusion bifunctional oxygen electrodes (GDE) are prepared by direct deposition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16e1702e8707aa5570eeadf9c4daf926
https://doi.org/10.1016/s0013-4686(01)00897-0
https://doi.org/10.1016/s0013-4686(01)00897-0
Publikováno v:
Journal of Applied Electrochemistry. 30:705-710
An amperometric study of gas-diffusion electrodes (GDE) catalysed by two types of tungsten carbide, WC(1) and WC(2), which differ considerably in their specific surface area (0.5 and 6 m2 g−1), was carried out. The H2–air gas mixture (H2 1–4%)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71dc5834ba4dbc6a87bae7942a3d3bde
https://doi.org/10.1023/a:1003813210270
https://doi.org/10.1023/a:1003813210270
Publikováno v:
Journal of Applied Electrochemistry. 29:1197-1203
Carbon-supported platinum catalysts (Pt/C) were prepared by treatment of PtO2/C under different conditions: (a) heating at 380°C in air, argon and hydrogen; (b) electrochemical reduction in H2SO4; and (c) reduction with NaBH4. The effect of the prep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66525f590359e9654eeb9c5212a6455c
https://doi.org/10.1023/a:1003482613323
https://doi.org/10.1023/a:1003482613323
Autor:
Radostina Stoyanova, T. Vitanov, I. Nikolov, R. Darkaoui, Ekaterina Zhecheva, Nikolay Dimitrov
Publikováno v:
Journal of Electroanalytical Chemistry. 429:157-168
A comparative study of the electrochemical and physicochemical behaviour of binary cobalt oxides with spinel structure M x Co 3− x O 4 (M = Li, Ni, Cu) was performed in order to elucidate the effect of the cation distribution in the crystal lattice
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c438d42c8c6911574daf28c52e00f5e6
https://doi.org/10.1016/s0022-0728(96)05013-9
https://doi.org/10.1016/s0022-0728(96)05013-9
Publikováno v:
Journal of Crystal Growth. 171:250-258
A theory is proposed for the structural transformation process in monolayer adsorbates on surfaces with two types of adsorption sites. Several possibilities based on various combinations of the initial coverage of the adsorption sites by the adsorbat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b015bf52ea750a360134123393c61273
https://doi.org/10.1016/s0022-0248(96)00434-4
https://doi.org/10.1016/s0022-0248(96)00434-4
Publikováno v:
Journal of Applied Electrochemistry. 27:77-82
Structural changes during the pyrolysis of the catalyst ‘active carbon+cobalt phthalocyanine’ (Ac+CoPc) in the temperature range 500–800°C are investigated using infrared spectroscopy, XRD and DTG analysis. The decomposition products contain o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae760af055d86d490b2302b3cb4d8dc9
https://doi.org/10.1023/a:1026423100998
https://doi.org/10.1023/a:1026423100998